Python-递加计数器

计数本：number.txt

1
2
3
4

主程序：计数器

# Author: Stephen Yuan
# 递加计算器
import os

# 递加计算器
def calc():
    file_size = os.path.getsize('number.txt')
    count = 1
    if file_size == 0:
        while True:
            with open('number.txt', 'a', encoding='utf-8') as f:
                f.write(str(count) + '
')
            print(count)
            count += 1
            if_choice()
    elif file_size != 0:
        while True:
            with open('number.txt', 'r+', encoding='utf-8') as f:
                lines = f.readlines()
                last_line = int(lines[-1])  # 获取文件的最后一行内容
                print(last_line)
                last_line += 1
                f.write(str(last_line) + '
')
                if_choice()

def if_choice():
    info = input('请选择：')
    if info == 'a':
        calc()

    elif info == 'r':
        with open('number.txt.', 'w', encoding='utf-8') as f:
            pass
        calc()
    elif info == 'q':
        exit()

def choice():
    choice = '''
1.计数，请按‘a’
2.重置，请按‘r’
3.退出，请按‘q’
    '''.strip()
    print(choice)
    info = input('
请选择：')
    if info == 'a':
        calc()
    elif info == 'r':
        with open('number.txt.', 'w', encoding='utf-8') as f:
            pass
        calc()
    else:
        exit()

choice()